Question

What is the valency of platinum?

Answer 1

Valency:

• The combining power (or capacity) of an element is known as its valency.
• Valency can be used to find out how the atoms of an element will combine with the atom(s) of another element to form a chemical compound.

Valency of platinum:

• Atomic number of platinum (Pt) is $78$.
• The electronic configuration of platinum is $\left[\mathrm{Xe}\right]4{\mathrm{f}}^{14}5{\mathrm{d}}^{9}6{\mathrm{s}}^1$
• The valency of platinum is $+2$ or $+4$.